/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Microsoft
 * Date: 2023-01-09
 * Time: 10:31
 */
interface IA{

}
class Person{
    int age;

    static void func(){
        Person person = new Person();
        System.out.println(person.age);
    }
}
public class Test {
    public static void main(String[] args) {
        int[] arr = null;
        System.out.println(arr.length);
        System.out.println(123);
    }
}
